Patent US2443830A successfully refreshed from Google Patents.
US2443830A
Expired / Lapsed
US
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Method of assembling the power section of radial engines
Assignee: Individual
•
Filing: 1943-11-04
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Granted: 1948-06-22
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Expires: 1963-11-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas Mcdaniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:29
CPC Classifications
F; F02; F02B; F02B53/00; F02B2730/00; F02B2730/01; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49231; Y10T29/49234
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US127837A
Cited
US1065979A
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US1114554A
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US1196884A
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US1232527A
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US1986237A
Cited
US2087626A
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US2119104A
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US2232682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-22 | 1951-12-22 | 1952-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-22 | 1955-12-22 | 1956-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-22 | 1959-12-22 | 1960-06-22 | $7700.00 | Window Closed / Lapsed |